The present paper is a continuation of our study on the Chinese traditional herb Artemisia annua L. [1-5], describing several additional constituents: quinghaosu IV and V (V, VII), quinghao acid (VIII) [6], chrysosplenol (VIa) [7] and a paraffinic alcohol; V, VII and VIII are compounds with unreported structures. Key Word Index Artemisia annua L. - Compositae - Qinghaosu - Qinghaosu I-V - Qinghao acid - Flavones - Alkanol - Scopoletin - Essential oil
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You-you et al. (1982) studied this question.